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profdant139's avatar
profdant139
Explorer II
Jan 25, 2019

Questions: self drilling/ tapping screws for chassis work

I'm getting ready to install my underbelly cover -- there will be aluminum C channel beams (to support the foam panels and the coroplast under-skin) attached to the underside of the trailer's frame me...
fj12ryder's avatar
fj12ryder
Explorer III
Feb 01, 2019
Some of the screws will, by necessity, be self-drilling/tapping screws simply because you won't be able to get to the nut to tighten them. If you have to do some, might as well do them all. Just be sure to use the clutch on that drill/driver.

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